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12489663060 = 22325753187027
BaseRepresentation
bin10111010000111000…
…10010001001010100
31012020102111121210100
423220130102021110
5201034323204220
65423200454100
7621335245560
oct135034221124
935212447710
1012489663060
11532a0a8796
12250691a330
13124073a894
14866a826a0
154d1745d90
hex2e8712254

12489663060 has 144 divisors (see below), whose sum is σ = 44114668416. Its totient is φ = 2800901376.

The previous prime is 12489663059. The next prime is 12489663097. The reversal of 12489663060 is 6036698421.

12489663060 is a `hidden beast` number, since 1 + 2 + 4 + 8 + 9 + 6 + 630 + 6 + 0 = 666.

It is a super-3 number, since 3×124896630603 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 12489662997 and 12489663015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26734 + ... + 160293.

It is an arithmetic number, because the mean of its divisors is an integer number (306351864).

Almost surely, 212489663060 is an apocalyptic number.

12489663060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12489663060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22057334208).

12489663060 is an abundant number, since it is smaller than the sum of its proper divisors (31625005356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12489663060 is a wasteful number, since it uses less digits than its factorization.

12489663060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187102 (or 187097 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 12489663060 in words is "twelve billion, four hundred eighty-nine million, six hundred sixty-three thousand, sixty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 53 60 63 70 84 90 105 106 126 140 159 180 210 212 252 265 315 318 371 420 477 530 630 636 742 795 954 1060 1113 1260 1484 1590 1855 1908 2226 2385 3180 3339 3710 4452 4770 5565 6678 7420 9540 11130 13356 16695 22260 33390 66780 187027 374054 561081 748108 935135 1122162 1309189 1683243 1870270 2244324 2618378 2805405 3366486 3740540 3927567 5236756 5610810 6545945 6732972 7855134 8416215 9912431 11221620 11782701 13091890 15710268 16832430 19637835 19824862 23565402 26183780 29737293 33664860 39275670 39649724 47130804 49562155 58913505 59474586 69387017 78551340 89211879 99124310 117827010 118949172 138774034 148686465 178423758 198248620 208161051 235654020 277548068 297372930 346935085 356847516 416322102 446059395 594745860 624483153 693870170 832644204 892118790 1040805255 1248966306 1387740340 1784237580 2081610510 2497932612 3122415765 4163221020 6244831530 12489663060